OpenTechnical

OT-2026-000010416

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000010416) never changes.

Identity and time

Publication numberOT-2026-000010416 · never reused
Internal UUID01a0ae6c-0ee6-7812-ac7f-19d6d9ce6b1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010416
StatusPUBLIC

Content hashes

Canonical text352a4c9441a4b71b2bf68f7ef41dab4b73e963859b5b62a75f5cbaeb0165a367
Markdown4367828e43fb24facfc29b83a765c5c21ecae51d2e96f40aa6129419ebcb6217
PDF
Publication page0fbd052dfba0a6974eef91fefc35a924333f5004a7d97fec795759acbeca50ac
Manifestafe4d36f43d0f22dd198de42fe83270c60315b402d607788aceb8e6fe5360c1b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJPpwPHE5g90li4azE7nil3tAwDJc6cKFZgdLyT5/A8AFUAVQIu9MPalw1XbBuIlWgdwXpUA7iiuzmlDT2vlGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:32.525167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010416
observed 0fbd052dfba0a6974eef91fefc35a924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.507959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010416/manifest.json
observed afe4d36f43d0f22dd198de42fe83270c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.490699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010416/publication.md
observed 4367828e43fb24facfc29b83a765c5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.470384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010416/publication.txt
observed 352a4c9441a4b71b2bf68f7ef41dab4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.